Home / 371,985.23-513,325.32-202,219.35

Finding the Fourth Proportional to 371,985.23, 513,325.32 and 202,219.35

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Solution

The fourth proportional to 371,985.23, 513,325.32 and 202,219.35 is: 279,054.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,985.23 : 513,325.32 = 202,219.35 : x
  2. Step 2: Convert to fraction form
    371,985.23/513,325.32 = 202,219.35/x
  3. Step 3: Cross multiply
    371,985.23x = 513,325.32 × 202,219.35
  4. Step 4: Simplify right side
    371,985.23x = 103,804,312,548.94
  5. Step 5: Solve for x
    x = 103,804,312,548.94/371,985.23
  6. Step 6: Final answer
    x = 279,054.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.